5-(Difluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid
3-(Aminomethyl)-2-iodo-6-(trifluoromethoxy)pyridine-4-carboxylic acid
3-(Difluoromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-5-carboxylic acid
2-(Aminomethyl)-6-iodo-5-(trifluoromethoxy)pyridine-3-carboxylic acid